<div>子组件的数据 : {{msg}}</div>
<app-a (sendEvent)="getChildMsg($event)"></app-a>

<div #aaaa>#aaaa</div>
<br>
<button (click)="changeAaaaStr()">change aaaa</button>
<br><br>
<button appD1 (click)="changeColor('red')">changeColor</button>
<br>
<br>
<button (click)="getTest()">click</button>

<button (click)="serviceSendMsg()">父组件通过中间service传递数据到子组件</button>


<app-b></app-b>

{{'hello' | translate}}


{{'test'|translate}}
